Sanuki is an incredibly safe destination for solo female travelers. Crime rate is very low, and the locals are usually respectful and willing to help if you need assistance. There's a significant emphasis on personal safety, and the local law enforcement is efficient and reliable. The streets are safe to walk alone even at night, however as always, standard caution applies. It's advisable to maintain general precautions while traveling - staying aware of your surroundings and avoiding isolated areas, especially during late hours. In terms of cultural attitudes, respect is deeply ingrained in Japanese culture, making instances of harassment rare. Overall, it's a place where you can feel at ease traveling alone.